10 pts. for answer w/explanation...
In a contest, four fruits (an apple, a banana, an oranage, and a pear)
have been placed in four closed boxes (One fruit per box). People may
guess which fruit is in which box. 123 people participate in the
contest. When the boxes are opened, it turns out that 43 people have
guessed none of the fruits correctly, 39 people have guess one of the
fruits correctly, and 31 people have guessed two fruits correctly. How
many people have guessed three fruits correctly, and how many have
guessed four fruits correctly?
2006-08-17
02:49:47
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4 answers
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Yaya: Honey, I wish I still had homework, I enjoyed school very much, but I'm 40 years young now...
2006-08-17
08:06:52 ·
update #1